cross conection steam leak

Help!? On our 200hp(running at 110psi) Saskatoon firetube boiler we have developed a leak(vapor and droplets) on the top plug of cross connection above the low water cut-off, we replaced it and it still leaks. Should we teflon tape and dope the 1-inch fittings(schedule 80) or just dope. A lot of discussion but no-one seems to care and that unit will get by. (I hope it doesn't go on my shift). Thank you.